The C2, looks that it is not platform specific.

To reproduce run:
/net/sqenfs-1.sfbay/export1/jdk/re/6u18/promoted/all/b01/binaries/solaris-sparc/fastdebug/bin/java -server -XX:-ShowMessageBoxOnError -Xverify:all -XX:+CompileTheWorld -Xbootclasspath/p:/net/sqenfs-1.sfbay/export1/comp/vm/testbase/ctw/build/../jars/ibiblio/maven2/annogen/annogen/0.1.0/annogen-0.1.0.jar

Output:

CompileTheWorld (129) : org/codehaus/jam/internal/elements/AnnotationValueImpl
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/globalDefinitions.cpp:268
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/BUILD_AREA/jdk6_18/hotspot/src/share/vm/utilities/globalDefinitions.cpp:268), pid=2896, tid=11
# Error: assert(allow_address || t != T_ADDRESS," ")
#
# JRE version: 6.0_18-b01
# Java VM: Java HotSpot(TM) Server VM (16.0-b08-fastdebug mixed mode solaris-sparc )
# An error report file with more information is saved as:
# /tmp/hs_err_pid2896.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
Current thread is 11
Dumping core ...
Abort